CVE-2026-56317

Nuxt - Cross-Site Scripting via NoScript Component Slot Content

Published Jun 20, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contains a cross-site scripting vulnerability in the NoScript component that writes slot content to innerHTML without escaping. Attackers can inject malicious scripts through untrusted data in NoScript slots, such as route.query parameters, which execute in the document context when the noscript tag is implicitly closed by script tags.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-m3q2-p4fw-w38m Cross-site scripting via <NoScript> slot content in Nuxt's head components
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contains a cross-site scripting vulnerability in the NoScript component that writes slot content to innerHTML without escaping. Attackers can inject malicious scripts through untrusted data in NoScript slots, such as route.query parameters, which execute in the document context when the noscript tag is implicitly closed by script tags.
Title Nuxt - Cross-Site Scripting via NoScript Component Slot Content
First Time appeared Nuxt
Nuxt nuxt
Weaknesses CWE-79
CPEs cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:node.js:*:*
Vendors & Products Nuxt
Nuxt nuxt
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:05 PM
Reserved
Jun 20, 2026, 12:59 PM
Status
Analyzed
Published
Jun 20, 2026, 4:17 PM
Modified
Jun 24, 2026, 7:17 PM